Home / 66,498.90-99,665.19-33,228.30

Finding the Fourth Proportional to 66,498.90, 99,665.19 and 33,228.30

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Solution

The fourth proportional to 66,498.90, 99,665.19 and 33,228.30 is: 49,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.90 : 99,665.19 = 33,228.30 : x
  2. Step 2: Convert to fraction form
    66,498.90/99,665.19 = 33,228.30/x
  3. Step 3: Cross multiply
    66,498.90x = 99,665.19 × 33,228.30
  4. Step 4: Simplify right side
    66,498.90x = 3,311,704,832.88
  5. Step 5: Solve for x
    x = 3,311,704,832.88/66,498.90
  6. Step 6: Final answer
    x = 49,800.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.